Activity
National Institute of Food and Agriculture

Water Pollution Demonstration

For Teachers 3rd - 8th
Water pollution is everywhere, and pollutants range from oil to fertilizers. Bring the concept to life by demonstrating the difficulties in getting particular pollutants out of water.
Activity
Science Education Resource Center at Carleton College

Serc: Lab 7: Nitrates and Phosphates and Algae, Oh My!

For Teachers 9th - 10th
A lab experiment, in a series of experiments, that investigates fisheries. In this lab, students test the effects of fertilizers and other pollutants on a model ecosystem. Students also examine 2 years of ocean color (chlorophyll...